import java.util.Scanner;

public class questionD {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int year = sc.nextInt();
        System.out.println("你输入的年份是："+year);
        if((year%4==0&&year%100!=0)||(year%400==0)){
            System.out.println("yes");
        }
        else{
            System.out.println("no");
        }
    }
}
